60 lines
2.0 KiB
Python
60 lines
2.0 KiB
Python
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"""
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Extra HTML Widget classes
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"""
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from django.newforms.widgets import Widget, Select
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from django.utils.dates import MONTHS
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import datetime
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__all__ = ('SelectDateWidget',)
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class SelectDateWidget(Widget):
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"""
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A Widget that splits date input into three <select> boxes.
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This also serves as an example of a Widget that has more than one HTML
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element and hence implements value_from_datadict.
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"""
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month_field = '%s_month'
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day_field = '%s_day'
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year_field = '%s_year'
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def __init__(self, attrs=None, years=None):
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# years is an optional list/tuple of years to use in the "year" select box.
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self.attrs = attrs or {}
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if years:
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self.years = years
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else:
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this_year = datetime.date.today().year
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self.years = range(this_year, this_year+10)
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def render(self, name, value, attrs=None):
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try:
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value = datetime.date(*map(int, value.split('-')))
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year_val, month_val, day_val = value.year, value.month, value.day
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except (AttributeError, TypeError, ValueError):
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year_val = month_val = day_val = None
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output = []
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month_choices = MONTHS.items()
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month_choices.sort()
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select_html = Select(choices=month_choices).render(self.month_field % name, month_val)
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output.append(select_html)
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day_choices = [(i, i) for i in range(1, 32)]
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select_html = Select(choices=day_choices).render(self.day_field % name, day_val)
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output.append(select_html)
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year_choices = [(i, i) for i in self.years]
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select_html = Select(choices=year_choices).render(self.year_field % name, year_val)
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output.append(select_html)
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return u'\n'.join(output)
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def value_from_datadict(self, data, name):
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y, m, d = data.get(self.year_field % name), data.get(self.month_field % name), data.get(self.day_field % name)
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if y and m and d:
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return '%s-%s-%s' % (y, m, d)
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return None
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